The meaning of the Acronym COSS is...

COSS is

• Commander's OPSEC Support System

More Meanings For COSS:

• Cross Operating System Service
• Common Object Services Specification
• Cyclic Object Storage System
• Certified Occupational Safety Specialist
• Council On Student Services
• College Of Social Sciences
• Commander's OPSEC Support System
• Centaur Operations at the Space Station

COSS is also in:

• Electronics
• General
• Military
• NASA
• Unfiled